/*
 * @Descripttion:
 * @version:
 * @Author: lily
 * @Date: 2021-04-06 15:08:22
 * @LastEditors: lily
 * @LastEditTime: 2021-04-06 15:09:54
 */
let ary = [12, 23, 12, 15, 25, 23, 25, 14, 16]
// set
// let arr = [...new Set(ary)]
let arr = Array.from(new Set(ary))
console.log(arr);
